وحدة:Navseasoncats/ملعب: الفرق بين النسختين

--Used by all nav*().

function catlink( catname, displaytext )

catname = mw.text.trim(catname or '')

displaytext = mw.text.trim(displaytext or '')

end

local ndec = tonumber(dec)

--sterilize mindecade & determine AD/BC

if D < -10 then

d = math.abs(d + 10) --b/c 2 "0s" decades exist: "0s BC" & "0s" (AD)

if d == 0 then

D = -10 --track 1st d = 0 use (BC)

elseif parentBC then

if switchADBC == -1 then --parentBC looking at the BC side (the common case)

if d == 0 then --prepare to switch to the AD side on the next iteration

switchADBC = 1 --1st d = 0 use (BC)

end

end

if BC ~= '' and ndec <= 50 then

BCdisp = ' ق م' --show BC for all BC decades whenever a "0s" is displayed on the nav

local hidden = '*<span style="visibility:hidden">عقد '..d..''..BCdisp..'</span>\n'

--local fff = firstpart .. ' '..d..'s'..tspace..BC..lastpart

local shown = '*'..catlink( fff , "عقد " .. d..''..BCdisp )..'\n'

local dsign = d --use d for display & dsign for logic

-- {{{7}}}=1999 ('max' starting season shown; optional; 1999 will show 1999-00)

-- {{{8}}}=0 (testcasegap parameter for easier testing; optional)

--sterilize start

if string.match(start or '', '^%d%d?%d?%d?$') == nil then --1-4 digits, AD only

local parentBC = mw.ustring.match(lastpart, '%s(ق م)')

--local parentBC = mw.ustring.match(lastpart, '%s(BC?)')

-- "1st-century BC" format

--local lastpartNoBC = mw.ustring.gsub(lastpart, '%sBC?', '') --easier than splitting lastpart up in 2; AD never used

local keykeyNoBC = mw.ustring.gsub(keykey, '%sق م$' , '') --easier than splitting keykey up in 2; AD never used

local BCe = parentBC or 'ق م'